Take-up mechanism for narrow ware locms



July 13 1926. 1,592,523

I E. R. HOLMES TAKE-UP MECHANISM FOR NARROW WARE LOOMS Filed Oct. 20. 1920 2 Sheets-Sheet, 1

July '13 1926.

1,592,523 E. R. HOLMES I TAKE-UP MECHANISM FOR NARROW WARE LOOMS Filed Oct 20,1920 2 Sheets-Sheet 2 Patented July 13, 1926.

ELBRIDGE R. HOLMES, Q1

t"OB.-CESTEE, MAESACHUSETTS, ASSIGIIOR TO CBOMPI'QN a KNOWLES LOGM VIQRZ'ZS, O13 'WGECESTEB, MASSACHUSETTS, A GOEPOEATIQN OF MASSACHUSETTS.

TAKE-U? MECEANIEM FOR NARROW WARE LOOMS.

Application filed October 20, 1920.

This invention relates to takeup mechanism for narrow ware looms particularly adapted for looms weaving relatively heavy fabric, such as canvas tape or brake linings. It has been customary to build such looms with a single drive shaft or all of the take-up rolls. Thus constructed, it is necessary to stop the loom in order to independently adjust any particular talreup roll.

It is an important part of my invention to provide a construction in which any take up roll may be independently and conveniently adjusted during the continued operationof the loom.

Another object is to provide a sectional drive for the talreup rolls, so that certain rolls may be driven at one speed and other rolls at a different speed or speeds, thus permitting the manufacture or". two or more different weaves simultaneously.

With these general objects in view, my invention relates particularly to certain arrangements and combinations of parts which will be hereinafter described and more specifically set forth in the appended claims.

A preferred form of my invention is shown in the drawings in which Fig. 1 is a front elevation of a section of my improved takeup mechanism;

Figs. 2 and 3 are sectional side elevations, taken along the lines 2 2 and 33 of Fig. 1;

Fig. l is an enlarged front elevation of the worm shaft shown in Fig. 3;

Fig. 5 is a sectional plan view taken along the line. 5-5 in Fig. at, and

Fig. 6 is a diagrammatic front elevation of a portion of a narrow ware loom embodying my invention.

Referring to Fig. (l, l have shown a por tion of a narrow ware loom having a frame 10, a breast beam 11 and intermediate supports 12. A plurality of takeup rolls 13 are loosely mounted on drive shaft sections I l, 15 and 16. Each section of the shaft is supported in bearin 's at its opposite ends and is independently rotated by a ratchet teed indicated generally by the letter F. Each section is thus driven independently and may, if desired, be adjusted to suit the re quirements oi entirely dilierent weaves. Provision is also made for independently adjusting any one of the takeup rolls 13 during the continued operation of the loom.

3. will new more. parieularly dc;

Serial No. 418,133.

construction and operation of a single secimproved talieup mechanism. section ot the drive shait't, as 1 is .d with a ratchet wheel 17 iii-ted to the Sllllltand intormir ntly advanced by a pawl 15: mounted on a feed lever 19 pivoted on the shalt and actuate. by a link 20 adjustably connected ther The link 20 is regularly reciprocated from tie crank shalt oi the loci-n or in any other convenient mani'zer.

An internal gear is loosely mounted r 1 1dand is provid d with worm gear teeth on its outer s. "not, engaged by a worm fired on a short sha t Ql rotatable in bearing above the inte. 21. The worm 23 has a plurality notches 26, (Fig. l) formed in the hub thereof, adapted to receive projection 27 (Fig. 5) on a latch 28. The latch is pivoted at 29 to the bearing 25 and is provided with a spring 30 by which it is held in yielding engagement with one of the notches 26.

l he outer end of the shaft 2% is squared to receive a wrench 31. The end of the wrench may be beveled as shown at 32, so that it will engage the inwardly projecting portion 33 of the latch 28, pressing the same outw ardly and lGlQitSlDQ' the worm as the wrench is placed in position to turn the shaft The gear 3d (Fig. 1) is mounted on a stud 35 fixed in a lug 36 projecting from the side o1 the takeup roll 13. The gear El i meshes with pinion teeth 37 which may be cut directly in the shaft 1 1-. A second gear 38 is fixed to the gear 34 and engages the teeth of the internal gear 21. As the shatt leiis rotated, the takeup roll 13 is thus advanced slowly with a planetary drive.

The mechanism is usually so constructec that two or more takeup rolls will he drive by each section of the drive shalt. The rolls driven by a single section will thus be advanced at uniform speed bu c rate roll may be independently advanced by turning the worm associated therewitn. The usual top roll 40 is provided to coooerate with each takeup roll 13. It de sired, a separate ratchet drive "for each roll may of course be used.

thus described my invention, it

will be seen that each section may be driven at any desired rate by adjusting the corrcsponding link 20 in the slotted arm of its lever 19, and that each roll 13 may be independently advanced or retarded by the use of the worm 23 associated therewith, which latter adjustment may be made without interfering with the continued operation of the loom. All parts of the mechanism are strongly built and are well adapted for theweaving of heavy fabrics.

It will also be evident that changes and modifications may be made therein by those skilled in the art Within the spirit and scope of my invention as set forth in the claims, and I do not wish to be otherwise limited to the details herein disclosed, but what I do claim is 2- 1. A takeup mechanism for narrow ware loom, comprising a takeup roll, a roll shaft, means to rotate said shaft, a planetary gear connection between said roll and 7 said shaft including a normally stationary internal gear, and manual means to angularly adjust said internal gear in either direction to any desired extent.

2. A takeup mechanism for a narrow ware loom, comprising a takeup roll, a roll shaft, means to rotate said shaft, a plane tary gear connection between said roll and said shaft including a normally stationary internal gear, worm gear teeth fixed in re lation to said internal gear, and amanually movable worm meshing with said worm gear teeth for adjustment thereof.

3. A takeup mechanism for a narrow ware loom, comprising a talreup roll, a roll shaft, means to rotate said shaft, a planetary gear connection between said roll and said shaft including a normally stationary internal gear, worm gear teeth fixed in re lation to said internal gear, a manually movable worm meshing with said worm gear teeth for adjustment thereof, and means to lock said worm.

4-. A takeup mechanism for a narrow ware loom, comprising a talteup roll, a roll shaft, means to rotate said shaft, a planetary gear connection between said roll a l said shaft including a normally stationary internal gear, worm gear teeth fixed in relation to said internal gear, a worm. meshing therewith, a detachable wrench for turning said worm, and a latch for said worm, said latch being released by attachment of said wrench to said shaft.

In testimony whereof I have hereunto affixed my signature.

ELBRIDGE R. HOLMES. 

